package com.mipo.shiro.filter;
import java.util.Set;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.CollectionUtils;
import org.apache.shiro.web.filter.authz.AuthorizationFilter;
public class TspRolesAuthorizationFilter extends AuthorizationFilter {
	
	public TspRolesAuthorizationFilter() {
		System.out.println("TspRolesAuthorizationFilter constructor...");
	}
	
	
	
	@Override
	protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {
		System.out.println("TspRolesAuthorizationFilter...");
	 	Subject subject = getSubject(request, response);
        String[] rolesArray = (String[]) mappedValue;
        if (rolesArray == null || rolesArray.length == 0) {
            //no roles specified, so nothing to check - allow access.
            return true;
        }
        Set<String> roles = CollectionUtils.asSet(rolesArray);
        for (String role : roles) {
			if (subject.hasRole(role)) {
				return true;
			}
		}
        return false;
	}
}
